<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .div1{
            width: 800px;
            height: 300px;
            padding: 5px;
            border: 1px solid white;
            margin: 0px auto;
            border-radius: 410px;
            background-color: red;
        }
        .div2{
            padding: 5px;
            width: 100%;
            height: 100%;
            border: 1px solid white;
            margin: 0px auto;
            border-radius: 400px;
            box-sizing: border-box;
        }
        .div4{
            width: 100%;
            height: 100%;
            border: 1px solid white;
            background-color: green;
            margin: 0px auto;
            border-radius: 400px;
            box-sizing: border-box;
        }
        .div5{
            width: 500px;
            height: 225px;
            border: 1px solid white;
            margin: 0px auto;
        }
        .xu{
            width: 250px;
            height: 225px;
            border-right: 1px dotted white;
        }
        .yuan{
            width: 40px;
            height: 40px;
            border: 1px solid white;
            border-radius: 20px;
            margin: 0px auto;
            margin-top: -130px;
        }
        .d{
            width: 60px;
            height: 120px;
            border: 1px solid white;
            border-left: 0px solid;
            margin-top: -80px;
            float: left;
        }
        .x{
            width: 30px;
            height: 60px;
            border: 1px solid white;
            border-left: 0px solid;
            margin-top: 28px;

        }
        .ban{
            width: 40px;
            height: 40px;
            border: 1px solid white;
            border-left: 0px solid;
            border-radius: 0px 20px 20px 0px;
            float: left;
            margin-top: -40px;
        }
        .d1{
            width: 60px;
            height: 120px;
            border: 1px solid white;
            border-right: 0px solid;
            margin-top: -80px;
            float: right;
        }
        .x2{
            width: 30px;
            height: 60px;
            border: 1px solid white;
            border-right: 0px solid;
            margin-top: 28px;
            float:right;

        }
        .ban3{
            width: 40px;
            height: 40px;
            border: 1px solid white;
            border-right: 0px solid;
            border-radius:20px 0px 0px 20px;
            float: right;
            margin-top: -40px;
        }

        </style>
</head>
<body>
    <div class="div1">
        <div class="div2">
            <div class="div2">
                <div class="div2">
                    <div class="div2">
                        <div class="div2">
                            <div class="div2">
                                <div class="div4">
                                    <div class="div5">

                                        <div class="xu"></div>
                                        <div class="yuan"></div>

                                        <div class="d">
                                            <div class="x"></div>
                                        </div>
                                        <div class="ban"></div>

                                        <div class="d1">
                                            <div class="x2"></div>
                                        </div>
                                        <div class="ban3"></div>

                                    </div>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
</body>
</html>